2.1 Learning self-efficacy
In the expanding realm of online learning, researchers have focused on the potential role of self-efficacy in enhancing students' perceived learning outcomes [10]. Learning self-efficacy, based on the self-efficacy theory [24] and locus of control theory [25], refers to an individual's confidence in successfully tackling specific learning tasks, activities, actions, or challenges [24]. Essentially, if students doubt their ability to succeed, they are less likely to exert the effort required to achieve their goals [10]. Individuals with high self-efficacy tend to view complex tasks as challenges to be overcome, adopting a positive outlook that enhances their competence and increases the likelihood of successful outcomes [26, 27, 28]. When these individuals face failure, they attribute it to insufficient effort or knowledge, which they believe can be improved [24], thereby increasing their satisfaction, reducing stress, and improving overall well-being [26, 29]. Conversely, those with low self-efficacy perceive complex tasks as threats and tend to avoid them [26].
In the context of mathematics, self-efficacy is a significant factor influencing learners' self-concept and academic achievement [30, 31]. Alqurashi [10, 29] identified self-efficacy in online learners as the strongest predictor of perceived learning, aiding their pursuit of learning goals. Students with high self-efficacy are known to demonstrate greater perseverance and resilience when faced with mathematical challenges [30]. Recent studies emphasize the importance of psychological variables, such as self-efficacy, in enhancing learning abilities and improving academic performance and perceived learning in online settings [14, 32]. Yunusa and Umar's review [33] suggests that self-efficacy and academic engagement are key predictors of perceived learning in e-learning environments. However, more research is needed to fully understand the relationship between self-efficacy and perceived learning in online settings [10]. This relationship is complex, influenced by factors such as prior online learning success, technology anxiety, instructor feedback, and class preparation [34]. Research in mathematics learning has highlighted how learners' belief in their abilities impacts their mathematical achievements, particularly in asynchronous online learning environments. Continued exploration of the interactions between self-efficacy and perceived learning outcomes is essential for understanding what promotes successful learning outcomes for secondary students in the digital age.
With advancements in technology and the rise of web and internet technologies, students are increasingly willing to use and interact with technology for communication. This shift has led researchers to investigate context-specific self-efficacy in virtual learning environments, resulting in distinct constructs like computer self-efficacy, internet self-efficacy, and online learning self-efficacy [29]. Recent research has focused on the connection between learning self-efficacy and other constructs, including learning engagement in online contexts [35, 36, 37]. For instance, Wu [37] studied Chinese EFL students' learning self-efficacy, engagement, and social presence in an online environment, finding that online learning self-efficacy predicts engagement and enhances it through learners’ social presence. Derakhshan and Fathi [35] also found that online learning self-efficacy significantly positively impacts engagement among 578 EFL learners. Martin and colleagues [36] discovered that students with high online learning self-efficacy were more engaged in the classroom and that this self-efficacy correlated with increased achievement.
In mathematics learning, only one study has examined the relationship between students’ learning self-efficacy and engagement in an online environment. Spence and Usher [38] compared traditional and online students regarding the impact of computer self-efficacy on courseware engagement, concluding that computer self-efficacy significantly influenced engagement in online environments but not in traditional settings. In a conventional secondary mathematics classroom setting, Ozkal [39] found that students’ mathematics self-efficacy significantly predicted their learning engagement and mathematical performance. Investigating self-efficacy in online education is crucial, as it provides insights into factors influencing learners' engagement and success. As research deepens, understanding the role of online self-efficacy in promoting engagement and achievement in online learning environments will help optimize learners' experiences in online mathematics education.
2.2 Learning engagement
The overarching construct of engagement remains pertinent in both online and traditional classrooms, although its conceptualization has evolved over time. Engagement can be defined as the extent of an individual's productive participation and persistence in various activities [40]. In the educational context, it refers to a positive, fulfilling state of mind marked by vigor, dedication, and absorption, encompassing students' aspirations, a sense of belonging, and productivity [41]. This construct is characterized by three core dimensions: vigor, dedication, and absorption, and is widely recognized as the learners' enthusiasm, motivation, and determination to actively participate and succeed in their own learning [42, 43]. As a key indicator of students' positive psychological engagement in learning, it reflects their positive and healthy mental state. Engagement helps cultivate qualities such as optimism, resilience, a sense of meaning, and creativity, thereby promoting students' development and preparing them for future societal integration [44].
Research on learning inputs has evolved from a uni-dimensional to a multi-dimensional approach, with existing studies on learning inputs broadly categorized into two-dimensional, three-dimensional, and four-dimensional structures [42]. Initially, researchers defined learning engagement as learners actively participating in school-provided activities [45], focusing primarily on the behavioral dimension, which includes positive attitudes and learning behaviors while excluding negative experiences during learning activities. However, this concept has been criticized for its narrow focus on behavioral variables, though it paved the way for further discussions in the educational field [43]. Later, Schaufeli and colleagues [41, 46], from a psychological perspective, described learning engagement as students' involvement in learning tasks and activities akin to "work." In this view, students are engaged in mandatory, structured tasks (e.g., completing assignments, attending class) and activities aimed at specific goals. Consequently, this study defines learning engagement through three dimensions: vigor, dedication, and absorption.
Vigor is characterized by high energy and mental resilience when working on study-related tasks, along with a willingness to exert effort even in the face of difficulties. Dedication involves deep engagement in one's studies, marked by feelings of significance, enthusiasm, inspiration, pride, and challenge. Absorption refers to being fully concentrated and joyfully engaged in learning to the extent that time seems to pass quickly, making it difficult to disengage from studies [40]. Each of these dimensions has unique qualities and significantly influences students’ engagement levels in educational settings [42, 44]. These dimensions align with Fredrick's constructs of behavioral, cognitive, and emotional engagement, illustrating that academic engagement now encompasses individuals' feelings, behaviors, and thought processes [43]. However, engagement in schoolwork and the experience of flow share conceptual similarities [41], indicating that engagement can operate on different timescales.
Research consistently shows that students exhibiting high levels of vigor, dedication, and absorption tend to perform well academically, experience high life satisfaction, and show fewer depressive symptoms [47]. For instance, Tuominen-Soini and Salmela-Aro [48] identified four groups among high school students: dedicated, dedicated-exhausted, cynical, and burned-out. Despite higher stress levels, engaged students were more academically successful and more likely to attend college. The patterns of engagement and burnout remained stable from adolescence to early adulthood. Additionally, a cross-sectional study by Teuber et al. [49] involving 1,527 Chinese high school students and 850 vocational high school students found that the three dimensions of learning engagement (vigor, dedication, and absorption) were inversely correlated with emotional exhaustion and positively associated with self-efficacy, perseverance, teacher-student relationships, and life satisfaction. This study also highlighted the strong psychometric properties of this framework within the Chinese educational context. Although multiple studies have demonstrated the correlation between learning engagement and academic performance, literature examining the relationship between learning engagement and perceived learning is limited, particularly in online learning. Thus, addressing this gap is crucial for enhancing our understanding of online learning dynamics and improving educational methods in the digital age.
2.3 Perceived learning
The purpose of any education, traditional or online, is to learn. The level of learning achieved, which is frequently measured by academic grades or perceived learning, can be used to evaluate the quality of a course. Student learning is an important indication of educational results and is frequently used to assess the quality of courses. Learning has two sub-constructs: actual achievement, which relates to the grades students obtain, and perceived learning, which is based on students' self-reported learning experiences [6]. Perceived learning is the learner’s self-evaluation of whether the course helped achieve its learning goals [50]. According to Rovai [50], student grades are not necessarily a good indicator of what a student has learned because students may come to class with prior knowledge, and grades may also represent class participation, timely submission of work, or attendance. Perceived learning is an important aspect of online education because if students report that their learning is inadequate, the instructor must consider improving the course design to increase learning [51].
Many other aspects of learning need to be considered when assessing what a student has learned [52]. Previous research has demonstrated the validity of self-reports of students' cognitive learning, and evidence from these studies suggests consistency of results over time and across populations [53]. For example, Stein and Wheaton [8] contended that perceived learning may be a greater predictor of achievement than course accomplishments or final grades. Perceived learning has been considered an indicator of learning and is one of the core elements of course evaluation [9].
On the one hand, perceived learning provides instructors with useful insights from the learner's perspective, which improves the quality of online courses in terms of design, delivery, and assessment, eventually increasing students' online learning experiences [10]. On the other hand, perceived learning provides a retrospective evaluation of the learning experience [11]. Students who believe they have mastered course materials are more likely to actively participate in online classes [12]. Therefore, student-perceived learning helps measure the success or failure of any course. Understanding the factors influencing perceived learning can empower instructors to enhance the quality of online courses, encompassing course design, delivery, and assessment, thereby enriching the learning experience for students [13]. Thus, educators and instructional designers must evaluate how students perceive their learning to improve the quality of online courses in terms of course design, delivery, evaluation, etc., as well as improve the student’s learning experience.
2.4 Learning engagement as the mediator of the relationship between self-efficacy and perceived learning in the online mathematics environment
Previous research has consistently demonstrated the linkage between self-efficacy and engagement, self-efficacy and perceived learning, and engagement and perceived learning. Despite the limited number of prior studies in various educational settings, investigating the mediating effect of learning engagement in the relationship between learning self-efficacy and perceived learning in the online learning environment of mathematics is relatively non-existent. As such, this present study is relevant to studies in the subsequent discussion.
Panigrahi et al. [54] found that all dimensions of learning engagement fully explain the positive association between internet self-efficacy and perceived learning effectiveness in online education among Indian postgraduates. In line with the findings, Nia et al. [55] conducted a cross-sectional study to evaluate how student acceptance and satisfaction with online learning and self-efficacy influenced university student participation during the COVID-19 pandemic in nine different countries. Both study models indicated that student engagement as an indicator can modulate the relationship between self-efficacy and achievement in the online learning environment. According to Bandura's self-efficacy theory, students' motivation, learning state, and learning outcomes are all affected by their subjective perception of their ability to perform and succeed [56]. Furthermore, learning self-efficacy is a proximate element regulating the level of involvement in learning and can accurately predict engagement in learning [57].
As a result, it is reasonable to conclude that online learners' confidence in their abilities to manage and conduct internet-related tasks improves their perceived learning outcomes. This enhancement is mediated through various dimensions of learning engagement, such as vigor, which is characterized by high levels of energy and mental resilience while learning; dedication, which involves a sense of significance, enthusiasm, and pride in one's learning tasks; and absorption, where students are entirely concentrated and happily engrossed in their learning activities. In conclusion, understanding the interplay between self-efficacy, engagement, and perceived learning is crucial for optimizing online learning environments, especially in subjects like mathematics, where engagement can be particularly challenging. Future research should continue to explore these relationships in diverse educational settings and consider interventions that can boost self-efficacy and engagement to improve learning outcomes.
Based on the above empirical research, this study considers the possible mediation roles of online learning engagement to explore the relationship between learning self-efficacy and perceived learning in an online mathematics environment. The following conceptual model is shown in Fig. 1. Only some prior studies have examined the complex relationships between learning self-efficacy, learning engagement, and perceived learning in online learning environments. The current study has the following hypothesis:
Ha1: Learning self-efficacy is positively related to vigor
Ha2: Learning self-efficacy is positively related to dedication
Ha3: Learning self-efficacy is positively related to absorption
Ha4: Learning self-efficacy is positively related to perceived learning
Ha5: Vigor is positively related to perceived learning
Ha6: Dedication is positively related to perceived learning.
Ha7: Absorption is positively related to perceived learning
Ha8: Vigor mediates the relationship between learning self-efficacy and perceived learning.
Ha9: Dedication mediates the relationship between learning self-efficacy and perceived learning.
Ha10: Absorption mediates the relationship between learning self-efficacy and perceived learning